AMD Radeon HD 7950 vs NVIDIA T1000 8 GB Comparison

The NVIDIA T1000 8 GB and AMD Radeon HD 7950 represent two very different eras of GPU design, yet their benchmark scores place them in a surprisingly close contest. The T1000 is a modern, low-power workstation card built on Turing, while the HD 7950 is a legacy GCN 1.0 part from the Southern Islands generation. The data shows a near-statistical tie in raw compute, but the way each card achieves that performance, and the contexts in which they operate, could not be more different.

Head-to-Head Benchmarks

The primary benchmark data available is from Geekbench compute tests. The NVIDIA T1000 8 GB scored 34561 in the Vulkan test, while the AMD Radeon HD 7950 scored 33951 in the Metal test. This is a nominal difference of 610 points, which translates to a lead of roughly 1.8% for the T1000. While this is a minor performance advantage, it is important to note that the tests themselves are not identical; the T1000 was run under Vulkan, whereas the HD 7950 was run under Metal. This makes a direct apples-to-apples comparison slightly imperfect, but the overall percentile rankings confirm the closeness.

In terms of overall standing, the T1000 sits at the 79th percentile of all GPUs, while the HD 7950 sits at the 78th percentile. This single-percentile gap reinforces the idea that these two cards are functionally equivalent in general compute throughput.

Looking at their nearest rivals provides more context. The T1000's closest competitor is the AMD Radeon HD 7970, which has an average score of 34541. The T1000 is a mere 0.1% faster than this card. It is also 0.4% slower than the NVIDIA A2 and 0.6% faster than the NVIDIA TITAN V, showing that its performance sits in a very tight cluster. For the HD 7950, its closest rival is the AMD Radeon RX 480, with a score of 33997. The HD 7950 is 0.1% slower than the RX 480. It is also 0.3% faster than the Radeon RX 7700S and 0.5% slower than the RX 560 XT. The takeaway is that both cards are locked in a performance tier where single-digit percentage differences separate them from much newer or much older hardware.

The data shows that the T1000's win is narrow but real. In raw compute, it edges out the HD 7950 by a hair. However, the HD 7950 is not without its own advantages; its texture fillrate is significantly higher, which could lead to wins in specific, texture-bound workloads. The T1000 counters with a much higher pixel fillrate, suggesting it may handle fill-rate-limited scenarios better. The benchmark results indicate a trade-off between compute and specific rasterization capabilities.

FAQ

Q: Which GPU is faster in the available benchmark data?

A: The NVIDIA T1000 8 GB scores 34561 in Geekbench Vulkan, while the AMD Radeon HD 7950 scores 33951 in Geekbench Metal. This gives the T1000 a lead of approximately 1.8%, though the different API tests make this a close, not definitive, margin.

Q: How does each card compare to its nearest competitors?

A: The T1000 is effectively tied with the AMD Radeon HD 7970, being just 0.1% faster. The HD 7950 is nearly tied with the AMD Radeon RX 480, being 0.1% slower. Both cards sit in a performance cluster where they are within 1% of several other GPUs, including the NVIDIA TITAN V for the T1000 and the NVIDIA RTX A2000 12 GB for the HD 7950.

Q: What is the difference in memory bandwidth between the two cards?

A: The AMD Radeon HD 7950 has a significant advantage here, offering 240.0 GB/s of bandwidth thanks to its 384-bit bus, compared to the T1000's 160.0 GB/s on a 128-bit bus.

Q: Do the cards have different power requirements?

A: Yes, and the difference is stark. The NVIDIA T1000 has a TDP of 50 W and requires no power connectors, with a suggested PSU of 250 W. The AMD Radeon HD 7950 has a TDP of 200 W, requires 2x 6-pin power connectors, and needs a 550 W PSU.

Q: What are the physical size differences?

A: The T1000 is a compact 156 mm (6.1 inches) single-slot card. The HD 7950 is much larger at 278 mm (10.9 inches) long, 111 mm (4.4 inches) tall, and 38 mm (1.5 inches) wide, making it a dual-slot card.

Q: What is the launch MSRP for the AMD card?

A: The AMD Radeon HD 7950 had a launch MSRP of 449 USD. The NVIDIA T1000 does not have a launch MSRP listed in the data.

The Verdict

The choice between these two cards depends entirely on the user's priorities, as the compute performance is nearly identical. The data shows the NVIDIA T1000 8 GB is the better choice for a modern, energy-efficient workstation. Its 50 W TDP, single-slot design, and lack of power connectors make it trivial to install in almost any system, and its 8 GB of GDDR6 memory is double that of the older card. The T1000 also supports newer API versions, including DirectX 12 (12_1) and Vulkan 1.4, which ensures better compatibility with contemporary software. For a professional environment where space, power, and cooling are at a premium, the T1000 is the clear winner despite its lower raw bandwidth.

The AMD Radeon HD 7950, on the other hand, is a legacy card that makes little sense for new builds. While its 2.867 TFLOPS FP32 performance is slightly higher than the T1000's 2.500 TFLOPS, and its 240.0 GB/s bandwidth is superior, these advantages are offset by massive downsides. Its 200 W TDP, dual-slot size, and requirement for a 550 W PSU make it inefficient and difficult to accommodate. Its 3 GB memory is limited, and its API support (DirectX 12 (11_1), Vulkan 1.2.170) is older. The data suggests that the HD 7950 is an artifact of its time, and its performance, while competitive in synthetic tests, is delivered with significantly more effort and older technology. It is not a practical recommendation for anyone building a system today.

Specification Differences

The two cards differ on nearly every fundamental specification. The NVIDIA T1000 uses a 128-bit memory bus with 8 GB of GDDR6, while the AMD Radeon HD 7950 uses a 384-bit bus with 3 GB of GDDR5. This leads to the HD 7950 having a higher bandwidth of 240.0 GB/s versus the T1000's 160.0 GB/s. The T1000 has 896 shading units, 56 TMUs, and 32 ROPs, while the HD 7950 has a much higher count of 1792 shading units and 112 TMUs, but also 32 ROPs. The T1000 achieves a higher pixel rate of 44.64 GPixel/s compared to the HD 7950's 25.60 GPixel/s, but the HD 7950 has a higher texture rate of 89.60 GTexel/s versus the T1000's 78.12 GTexel/s. The T1000 has a base clock of 1065 MHz and a boost clock of 1395 MHz, while the HD 7950's base and boost clocks are not listed. The T1000 is a single-slot, 156 mm card with no power connectors, while the HD 7950 is a dual-slot, 278 mm card requiring two 6-pin connectors. The T1000 offers four mini-DisplayPort 1.4a outputs, whereas the HD 7950 offers a mix of DVI, HDMI 1.4a, and two mini-DisplayPort 1.2 outputs.

Architecture Differences

The architectural divide is vast. The NVIDIA T1000 is built on the Turing architecture using the TU117 chip, manufactured on a 12 nm process at TSMC. It packs 4,700 million transistors into a 200 mm² die, achieving a density of 23.5M / mm². In contrast, the AMD Radeon HD 7950 uses the older GCN 1.0 architecture with the Tahiti chip, built on a 28 nm process. It has 4,313 million transistors spread across a much larger 352 mm² die, resulting in a lower density of 12.3M / mm². The T1000 supports FP16 compute at a 2:1 ratio, offering 5.000 TFLOPS, while the HD 7950 has no FP16 support listed. The T1000 supports DirectX 12 (12_1) and Vulkan 1.4, while the HD 7950 is limited to DirectX 12 (11_1) and Vulkan 1.2.170. Both support OpenGL 4.6. The T1000 is from the Quadro Turing (Tx000) generation, succeeding Quadro Volta, while the HD 7950 is from the Southern Islands (HD 7900) generation, succeeding Northern Islands.

Where Each One Wins

The NVIDIA T1000 8 GB wins in scenarios that prioritize efficiency, modern features, and display connectivity. Its 50 W TDP and single-slot design make it ideal for dense workstation builds or silent, low-power systems. The 8 GB GDDR6 memory provides more capacity for larger datasets than the HD 7950's 3 GB. Its higher pixel rate of 44.64 GPixel/s and support for newer APIs like Vulkan 1.4 suggest it is better suited for modern, fill-rate-heavy applications and productivity tasks that leverage updated instruction sets. The four mini-DisplayPort 1.4a outputs also make it a better choice for multi-monitor setups with high-resolution displays.

The AMD Radeon HD 7950 wins in scenarios that are purely about raw memory bandwidth and texture throughput. Its 240.0 GB/s bandwidth and 89.60 GTexel/s texture rate are significantly higher than the T1000's, which could benefit specific legacy workloads that are heavily dependent on streaming large textures or datasets. Its higher FP32 throughput of 2.867 TFLOPS also gives it a slight edge in raw compute. However, these wins are purely theoretical advantages from the spec sheet, as the benchmark data shows a near-tie in overall performance. Given its 200 W power draw and older architecture, these wins are also delivered at a much higher operational cost. The HD 7950 is the choice only for a user with a specific, older application that can exploit its high bandwidth, and who has the power supply and case space to accommodate it.